Home / 213,473.28-320,198.38-108,289.52

Finding the Fourth Proportional to 213,473.28, 320,198.38 and 108,289.52

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Solution

The fourth proportional to 213,473.28, 320,198.38 and 108,289.52 is: 162,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,473.28 : 320,198.38 = 108,289.52 : x
  2. Step 2: Convert to fraction form
    213,473.28/320,198.38 = 108,289.52/x
  3. Step 3: Cross multiply
    213,473.28x = 320,198.38 × 108,289.52
  4. Step 4: Simplify right side
    213,473.28x = 34,674,127,003.26
  5. Step 5: Solve for x
    x = 34,674,127,003.26/213,473.28
  6. Step 6: Final answer
    x = 162,428.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.